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Grade 38 Titanium vs. C99300 Copper

Grade 38 titanium belongs to the titanium alloys classification, while C99300 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 38 titanium and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 11
2.0
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 1000
660
Tensile Strength: Yield (Proof), MPa 910
380

Thermal Properties

Latent Heat of Fusion, J/g 410
240
Maximum Temperature: Mechanical, °C 330
250
Melting Completion (Liquidus), °C 1620
1080
Melting Onset (Solidus), °C 1570
1070
Specific Heat Capacity, J/kg-K 550
450
Thermal Conductivity, W/m-K 8.0
43
Thermal Expansion, µm/m-K 9.3
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 36
35
Density, g/cm3 4.5
8.2
Embodied Carbon, kg CO2/kg material 35
4.5
Embodied Energy, MJ/kg 560
70
Embodied Water, L/kg 160
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
11
Resilience: Unit (Modulus of Resilience), kJ/m3 3840
590
Stiffness to Weight: Axial, points 13
8.3
Stiffness to Weight: Bending, points 35
20
Strength to Weight: Axial, points 62
22
Strength to Weight: Bending, points 49
20
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 72
22

Alloy Composition

Aluminum (Al), % 3.5 to 4.5
10.7 to 11.5
Carbon (C), % 0 to 0.080
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 0
68.6 to 74.4
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 1.2 to 1.8
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Nickel (Ni), % 0
13.5 to 16.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.2 to 0.3
0
Silicon (Si), % 0
0 to 0.020
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 89.9 to 93.1
0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.3